org.geotools.coverage.grid.io

Interface GranuleSource

All Known Subinterfaces:

GranuleStore

All Known Implementing Classes:

CoverageSlicesCatalogSource, GranuleCatalogSource, GranuleCatalogStore, RenamingGranuleSource, RenamingGranuleStore

public interface GranuleSource

API to operate on Granules data.

Author:

Simone Giannecchini, GeoSolutions SAS, Andrea Aime, GeoSolutions SAS, Daniele Romagnoli, GeoSolutions SAS

Method Summary

Modifier and Type	Method and Description
void	dispose() This will free/release any resource (cached granules, ...).
ReferencedEnvelope	getBounds(Query q) Get the spatial bounds of the granules that would be returned by the given Query.
int	getCount(Query q) Gets the number of the granules that would be returned by the given Query, taking into account any settings for max features and start index set on the Query.
SimpleFeatureCollection	getGranules(Query q) Retrieves granules, in the form of a SimpleFeatureCollection, based on a Query.
SimpleFeatureType	getSchema() Retrieves the schema (feature type) that will apply to granules retrieved from this GranuleSource.

Method Detail

getGranules

SimpleFeatureCollection getGranules(Query q)
                             throws IOException

Retrieves granules, in the form of a SimpleFeatureCollection, based on a Query.

Parameters:

q - the Query to select granules

Returns:

the resulting granules.

Throws:

IOException

getCount

int getCount(Query q)
      throws IOException

Gets the number of the granules that would be returned by the given Query, taking into account any settings for max features and start index set on the Query.

Parameters:

q - the Query to select granules

Returns:

the number of granules

Throws:

IOException

getBounds

ReferencedEnvelope getBounds(Query q)
                      throws IOException

Get the spatial bounds of the granules that would be returned by the given Query.

Parameters:

q - the Query to select granules

Returns:

The bounding envelope of the requested data

Throws:

IOException

getSchema

SimpleFeatureType getSchema()
                     throws IOException

Retrieves the schema (feature type) that will apply to granules retrieved from this GranuleSource.

Returns:

Throws:

IOException

dispose

void dispose()
      throws IOException

This will free/release any resource (cached granules, ...).

Throws:

IOException